A nail is a metal object with a flat head and a long, sharp tip. A hammer or nail gun is used to put it into another object. It is often used to join two objects together.
The history of the nail came in three periods:
Nails date back at least to Ancient Egypt – bronze nails found in Egypt have been dated 3400 BC. The Bible has references to nails. King David gave iron to make nails for what would become Solomon's Temple.